Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Removal
1. Remove the upper intake manifold. For additional information, refer to
Upper Intake Manifold in
this section.
2. Partially drain the cooling system. For additional information, refer to
Section.
3. Relieve the fuel system pressure. For additional i ...
Towing the vehicle on four whe
Emergency Towing
If your vehicle becomes inoperable (without access to wheel dollies,
car-hauling trailer, or flatbed transport vehicle), it can be flat-towed
(all wheels on the ground, regardless of the powertrain and transmission
configuration) under the fol ...
Reactivation Procedure
1. WARNING: The restraint system diagnostic tool must be removed and
the air bag
modules reconnected when the system is reactivated to avoid non-deployment in a
collision, resulting in possible personal injury.
WARNING: The restraint system diagnostic tool i ...
